What does your grandma often do after supper?–She ___ for a walk.
All the donated money should be made full use _______the homeless people in Ya’an city of Sichuan province.
Don’t lose heart. It won’t be long ___________ you catch up with others.
Kids, help ______ to some apples, please. — Thank you very much.
We are supposed ______ the lost child at once.